CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows from Operating Activities
Net Income (Loss)	$ 524	$ (1,594)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and decommissioning	1,739	1,729
Allowance for equity funds used during construction	(61)	(21)
Deferred income taxes and tax credits, net	228	869
Reorganization items, net (Note 2)	(62)	1,558
Wildfire Fund expense	237	173
Other	385	142
Effect of changes in operating assets and liabilities:
Accounts receivable	(300)	(389)
Wildfire-related insurance receivable	(108)	99
Inventories	(1)	(19)
Accounts payable	119	722
Wildfire-related claims	(582)	619
Income taxes receivable/payable	0	0
Other current assets and liabilities	(281)	529
Regulatory assets, liabilities, and balancing accounts, net	(739)	(1,570)
Liabilities subject to compromise	0	413
Other noncurrent assets and liabilities	132	31
Net cash provided by operating activities	1,230	3,291
Cash Flows from Investing Activities
Capital expenditures	(3,620)	(3,399)
Proceeds from sales and maturities of nuclear decommissioning trust investments	952	787
Purchases of nuclear decommissioning trust investments	(948)	(837)
Other	48	8
Net cash used in investing activities	(3,568)	(3,441)
Cash Flows from Financing Activities
Proceeds from debtor-in-possession credit facility	0	500
Debtor-in-possession credit facility debt issuance costs	0	(3)
Bridge facility financing fees	0	(73)
Borrowings under revolving credit facilities	4,432	0
Repayments under revolving credit facilities	(5,867)	0
Proceeds from issuance of long-term debt, net of discount and issuance costs of $33 and $165 at respective dates	3,171	13,510
Repayment of long-term debt	(14)	0
Proceeds from sale of future revenue from transmission tower license sales, net of fees	350	0
Other	(42)	20
Net cash provided by financing activities	2,030	13,954
Net change in cash, cash equivalents, and restricted cash	(308)	13,804
Cash, cash equivalents, and restricted cash at January 1	627	1,577
Cash, cash equivalents, and restricted cash at June 30	319	15,381
Less: Restricted cash and restricted cash equivalents	(12)	(14,413)
Cash and cash equivalents	307	968
Cash paid for:
Interest, net of amounts capitalized	(702)	0
Supplemental disclosures of noncash investing and financing activities
Capital expenditures financed through accounts payable	614	273
Operating lease liabilities arising from obtaining right-of-use assets	20	13
Pacific Gas & Electric Co (Utility)
Cash Flows from Operating Activities
Net Income (Loss)	617	(22)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and decommissioning	1,739	1,729
Allowance for equity funds used during construction	(61)	(21)
Deferred income taxes and tax credits, net	257	890
Reorganization items, net (Note 2)	(29)	13
Wildfire Fund expense	237	173
Other	353	138
Effect of changes in operating assets and liabilities:
Accounts receivable	(293)	(374)
Wildfire-related insurance receivable	(108)	99
Inventories	(1)	(19)
Accounts payable	84	701
Wildfire-related claims	(582)	619
Income taxes receivable/payable	0	0
Other current assets and liabilities	(272)	(4)
Regulatory assets, liabilities, and balancing accounts, net	(739)	(1,570)
Liabilities subject to compromise	0	401
Other noncurrent assets and liabilities	133	47
Net cash provided by operating activities	1,335	2,800
Cash Flows from Investing Activities
Capital expenditures	(3,620)	(3,399)
Proceeds from sales and maturities of nuclear decommissioning trust investments	952	787
Purchases of nuclear decommissioning trust investments	(948)	(837)
Other	48	8
Net cash used in investing activities	(3,568)	(3,441)
Cash Flows from Financing Activities
Proceeds from debtor-in-possession credit facility	0	500
Debtor-in-possession credit facility debt issuance costs	0	(3)
Bridge facility financing fees	0	(33)
Borrowings under revolving credit facilities	4,432	0
Repayments under revolving credit facilities	(5,867)	0
Proceeds from issuance of long-term debt, net of discount and issuance costs of $33 and $165 at respective dates	3,171	8,850
Proceeds from sale of future revenue from transmission tower license sales, net of fees	350	0
Other	(12)	20
Net cash provided by financing activities	2,074	9,334
Net change in cash, cash equivalents, and restricted cash	(159)	8,693
Cash, cash equivalents, and restricted cash at January 1	404	1,129
Cash, cash equivalents, and restricted cash at June 30	245	9,822
Less: Restricted cash and restricted cash equivalents	(12)	(9,076)
Cash and cash equivalents	233	746
Cash paid for:
Interest, net of amounts capitalized	(595)	0
Supplemental disclosures of noncash investing and financing activities
Capital expenditures financed through accounts payable	614	273
Operating lease liabilities arising from obtaining right-of-use assets	$ 20	$ 13